Mop bucket with clean and dirty water separation

A mop bucket with clean and dirty water separation, comprising a mop (9) and the mop bucket for cleaning the mop;

• the mop bucket comprises an outer bucket (1), wherein a partition (11) is arranged inside the outer bucket, and a clean water area (la) and a dirty water area (1b) are respectively located on both sides of the partition in the outer bucket;
• a tub (3) capable of moving up and down is arranged above the clean water area in the outer bucket, a reciprocating pump (6) capable of pumping water from the clean water area to the tub is further arranged in the clean water area, the tub is connected with the reciprocating pump, and the tub can move downward under push of the mop and drive the reciprocating pump to operate;
• a bottom of the tub is provided with a valve assembly capable of discharging water in the tub to the dirty water area, and the valve assembly has a movable water outlet end (310);
• only when the tub is located at an upper limit position and the water outlet end moves above the dirty water area, the valve assembly switches from a closed state to an open state;
• a bottom of a side wall of the tub is provided with a drainage pipe (301) extending towards the partition, and an outer wall of the tub is provided with a mounting bracket (36), and a valve plate (33) is rotatably connected to the mounting bracket;
• a diversion trench (31) for guiding water flowing out from the drainage pipe to the dirty water area is slidably installed on the mounting bracket or the drainage pipe, and an end of the diversion trench near the partition is the water outlet end (310);
• a lever (32) is further movably installed on the mounting bracket, and a lower end of the lever is in transmission connection with the diversion trench, so that the water outlet end of the diversion trench can move from above the clean water area to above the dirty water area;
• the diversion trench is provided with a pushing part capable of driving the valve plate to rotate, only when the diversion trench moves under drive of the lever until the water outlet end exceeds the partition, the pushing part contacts with the valve plate and pushes the valve plate to rotate;
• and
• the valve assembly is composed of the mounting bracket, the valve plate, the diversion trench and the lever.